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145003515245 = 529000703049
BaseRepresentation
bin1000011100001011100…
…0100000110101101101
3111212021112200210022122
42013002320200311231
54333431344441440
6150340320322325
713322215354211
oct2070270406555
9455245623278
10145003515245
115654a782206
12241294733a5
131089b3818c4
147037d66941
153b8a11e7b5
hex21c2e20d6d

145003515245 has 4 divisors (see below), whose sum is σ = 174004218300. Its totient is φ = 116002812192.

The previous prime is 145003515229. The next prime is 145003515247. The reversal of 145003515245 is 542515300541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67174790761 + 77828724484 = 259181^2 + 278978^2 .

It is a cyclic number.

It is not a de Polignac number, because 145003515245 - 24 = 145003515229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145003515247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14500351520 + ... + 14500351529.

It is an arithmetic number, because the mean of its divisors is an integer number (43501054575).

Almost surely, 2145003515245 is an apocalyptic number.

It is an amenable number.

145003515245 is a deficient number, since it is larger than the sum of its proper divisors (29000703055).

145003515245 is an equidigital number, since it uses as much as digits as its factorization.

145003515245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29000703054.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 145003515245 its reverse (542515300541), we get a palindrome (687518815786).

The spelling of 145003515245 in words is "one hundred forty-five billion, three million, five hundred fifteen thousand, two hundred forty-five".

Divisors: 1 5 29000703049 145003515245